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The saxon:require-well-formed attribute

The attribute saxon:require-well-formed is available, with values "yes" or "no". The default is "no". If the value is set to "yes", and a user-written ContentHandler is supplied to receive the results of the transformation, then Saxon will report an error rather than sending a non-well-formed stream of SAX events to the ContentHandler. This attribute is useful when the output of the stylesheet is sent to a component (for example an XSL-FO rendering engine) that is not designed to accept non-well-formed XML result trees.

Note also that namespace undeclarations of the form xmlns:p="" (as permitted by XML Namespaces 1.1) are passed to the startPrefixMapping() method of a user-defined ContentHandler only if undeclare-namespaces="yes" is specified on xsl:output.

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